864418799 has 4 divisors (see below), whose sum is σ = 864531120. Its totient is φ = 864306480.

The previous prime is 864418781. The next prime is 864418843. The reversal of 864418799 is 997814468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864418799 - 2⁸ = 864418543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864418999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43694 + ... + 60315.

It is an arithmetic number, because the mean of its divisors is an integer number (216132780).

Almost surely, 2^864418799 is an apocalyptic number.

864418799 is a deficient number, since it is larger than the sum of its proper divisors (112321).

864418799 is a wasteful number, since it uses less digits than its factorization.

864418799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112320.

The product of its digits is 3483648, while the sum is 56.

The square root of 864418799 is about 29400.9999659876. Note that the first 4 decimals coincide. The cubic root of 864418799 is about 952.5944956688.

The spelling of 864418799 in words is "eight hundred sixty-four million, four hundred eighteen thousand, seven hundred ninety-nine".